Placeholder implementation to replace abitrary arguments
Removing leftover
Making placeholder create method static
Merge remote-tracking branch 'upstream/master' into feature/placeholder
Adding Util::placeholder() as alias for Util:…()
Merge remote-tracking branch 'upstream/master' into feature/placeholder

Conflicts:
	src/React/Curry/Util.php
Introduce function API
Removing Util API
Using annotations in tests
Adding tests where parameter position matters
Merge remote-tracking branch 'lstrojny/feature/placeholder'

* lstrojny/feature/placeholder:
  Adding tests where parameter position matters
  Using annotations in tests
  Removing Util API
  Introduce function API
  Adding Util::placeholder() as alias for Util:…()
  Making placeholder create method static
  Removing leftover
  Placeholder implementation to replace abitrary arguments
Fix README example
Move mergeParameters out of Util class, make it a function
Add docs for placeholder
Add placeholders to CHANGELOG, prepare 1.1.0 release